27318-83-8

Basic information

• Product Name: Phosphine, 2-butyne-1,4-diylbis[diphenyl-
• CAS NO: 27318-83-8
• Molecular Formula: C28H24P2
• Molecular Weight: 422.446
• Mol File: 27318-83-8.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: Phosphine, 2-butyne-1,4-diylbis[diphenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Phosphine, 2-butyne-1,4-diylbis[diphenyl-(27318-83-8)
• EPA Substance Registry System: Phosphine, 2-butyne-1,4-diylbis[diphenyl-(27318-83-8)

Safety Data

• Hazardous Substances Data: 27318-83-8(Hazardous Substances Data)

Upstream product

• 829-85-6 diphenylphosphane 
• 1653-19-6 2,3-dichlorobuta-1,3-diene 
• 764-41-0 1,4-dichloro-2-butene 
• 65567-06-8 lithium diphenylphosphide 

Downstream Products

• 27510-62-9 (CO)2Ni{(C₆H₅)2PCH₂CCCH₂P(C₆H₅)2}2Ni(CO)2 
• 27318-84-9 2-butynylenebis(diphenylphosphine oxide) 

Relevant articles and documents

SYNTHESIS OF SOME β,γ-UNSATURATED PHOSPHINES AND BIPHOSPHINES

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Phosphides and Arsenides as Metal-Halogen Exchange Reagents. Part 1. Dehalogenation of Aliphatic Dihalides

Lithium diphenylphosphide and arsenide have been investigated as reagents for metal-halogen exchange.Reactions involving two molar equivalents of the anions with 1,2-dibromoethylenes lead to moderate to good yields of acetylenes and smaller yields of phosphorus-containing by-products.Similar reactions with 2,3-dichlorobuta-1,3-diene and 2-chlorobuta-1,3-diene give SN2' rather than direct substitution products.Evidence is presented that adamantene is an initial product in the reaction of lithium diphenylphosphide with 1,2-di-iodo- and 1,2-dibromo-adamantane, but not with 1,2-dichloroadamantane, although 1- and 2-adamantyldiphenylphosphine oxides are formed in every case.Finally reactions of phosphide anion with geminal dihalides were briefly investigated; 1,1-dibromo-2,2-diphenylethylene gave diphenylacetylene as the major product.